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Chiang Mai

$645+ Cheap flights from O'Hare Intl (ORD) to Chiang Mai (CNX)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — CNX
Jun 6 — Jun 131
Sat 6/6
Sat 6/13
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Chiang Mai

Cheapest flights from O'Hare Intl to Chiang Mai
Explore the most affordable flight options available from O'Hare Intl to Chiang Mai. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 7, 2026.

This Korean Air deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1211:15 am
ORD
-
CNX
1 stop22h 40m
Korean Air
Tue 11/1712:15 am
CNX
-
ORD
1 stop21h 15m
Korean Air
Deal found 5/5$964
This FlightHub deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:35 pm
ORD
-
CNX
1 stop39h 15m
Cathay Pacific
Tue 2/1610:35 am
CNX
-
ORD
1 stop39h 20m
Cathay Pacific
Deal found 5/5$970
This Travelocity deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/85:45 pm
ORD
-
CNX
2 stops29h 30m
Multiple Airlines
Tue 12/810:10 am
CNX
-
ORD
2 stops34h 10m
Multiple Airlines
Deal found 5/6$997
This oojo deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/269:20 pm
ORD
-
CNX
1 stop20h 45m
Etihad Airways
Tue 2/168:50 am
CNX
-
ORD
1 stop36h 05m
Etihad Airways
Deal found 5/2$1,008
This Korean Air deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Korean Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1311:15 am
ORD
-
CNX
1 stop22h 40m
Korean Air
Tue 11/1712:15 am
CNX
-
ORD
1 stop21h 15m
Korean Air
Deal found 5/5$1,014
This Delta deal was found by Cheapflights users on 5/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/127:00 am
ORD
-
CNX
2 stops26h 55m
Delta
Tue 11/1712:15 am
CNX
-
ORD
1 stop21h 15m
Delta
Deal found 5/6$1,015
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/2612:15 pm
ORD
-
CNX
1 stop22h 40m
Delta
Mon 2/1512:15 am
CNX
-
ORD
2 stops36h 31m
Delta
Deal found 5/2$1,020
This Gotogate deal was found by Cheapflights users on 5/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/251:10 pm
ORD
-
CNX
1 stop27h 55m
Etihad Airways
Sat 12/58:50 am
CNX
-
ORD
1 stop43h 10m
Etihad Airways
Deal found 5/5$1,043
This Delta deal was found by Cheapflights users on 5/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/1511:15 am
ORD
-
CNX
1 stop22h 40m
Delta
Tue 11/1712:15 am
CNX
-
ORD
2 stops23h 18m
Delta
Deal found 5/2$1,070

Find flight deals from O'Hare Intl to Chiang Mai

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Chiang Mai (CNX). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 7, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$970
(FlightHub)

One-way from

$645
(Ovago)

Popular in

June

Cheapest in

March

Average price

$1,785
Provider with most accurate pricing for Chicago O'Hare Intl-Chiang Mai flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago O'Hare Intl-Chiang Mai flights.
Search Deals
From Chicago O'Hare Intl to Chiang Mai
Search Deals
One-way flight from Chicago O'Hare Intl to Chiang Mai
Search Deals
Highest demand for flights based on searches. 25% potential increase in price ($418 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($52 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Chiang Mai that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Chiang Mai that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 7/11

9:30 pm-11:15 am

2 stops49h 45m

Chiang Mai

Wed 7/22

8:00 pm-5:50 pm

2 stops33h 50m

$1,663

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Fri 7/10

12:30 am-11:15 am

2 stops46h 45m

Chiang Mai

Wed 7/22

11:55 am-9:10 pm

2 stops45h 15m

$1,717

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 7/11

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Wed 7/22

10:30 am-2:20 pm

1 stop39h 50m

$1,762

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Wed 7/15

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Fri 7/31

10:30 am-2:20 pm

1 stop39h 50m

$1,918

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 6/14

4:15 pm-9:45 am

1 stop29h 30m

Chiang Mai

Sat 6/20

10:30 am-2:20 pm

1 stop39h 50m

$1,946

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 6/21

4:00 pm-9:45 am

1 stop29h 45m

Chiang Mai

Sun 6/28

10:30 am-2:20 pm

1 stop39h 50m

$2,133
Quickest round-trip

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 6/21

3:40 pm-1:45 pm

3 stops34h 05m

Chiang Mai

Sun 6/28

7:00 am-9:00 pm

2 stops26h 00m

$2,184

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sat 7/11

7:20 pm-11:40 am

2 stops28h 20m

Chiang Mai

Wed 7/22

11:55 am-7:45 am

3 stops31h 50m

$2,670
Cheapest one-way

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 8/2

4:00 pm-9:45 am

1 stop29h 45m

$645

ChicagoChiang Mai

ORD - CNX

ORDCNX

Chicago O'Hare Intl

Sun 8/2

7:15 am-9:45 am

3 stops38h 30m

$681

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/5

Showing 1-10 of 17 resultsSorted by cheapest first
1
2

Compare providers for flights from O'Hare Intl to Chiang Mai

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from O'Hare Intl to Chiang Mai in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
oojoPrice Accuracy3 starsTrust Score*2 stars
OvagoPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
Trip.comPrice Accuracy1 starTrust Score*3 stars
SmartFaresPrice Accuracy1 starTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Chicago O'Hare Intl Airport-Chiang Mai flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Chicago O'Hare Intl Airport-Chiang Mai flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Chicago O'Hare Intl Airport-Chiang Mai flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Chicago O'Hare Intl Airport-Chiang Mai flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Chicago O'Hare Intl Airport-Chiang Mai flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from O'Hare Intl to Chiang Mai

Have a flexible travel schedule? Discover the best time to fly to Chiang Mai from O'Hare Intl with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Chicago O'Hare Intl Airport to Chiang Mai

What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Chiang Mai?

Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $920). Flying from Chicago O'Hare Intl Airport to Chiang Mai in June is currently the most expensive (average of $1,797). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Chicago O'Hare Intl Airport to Chiang Mai?

Reviews of airlines servicing Chiang Mai

Get insights into the airlines that provide service to Chiang Mai. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chiang Mai. Reviews last updated May 7, 2026.
Peruse reviews from past customers who have flown with EVA Air,Delta, andCathay Pacific from Chicago O'Hare Intl Airport to Chiang Mai to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
EVA Air
8.5
Very good
1,445 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
EVA Air
8.5
Very good
1,445 reviews
EVA Air
8.5
Very good
1,445 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Delta
7.9
Good
8,459 reviews
EVA Air
8.5
Very good
1,445 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?
Cathay Pacific
7.6
Good
1,318 reviews
EVA Air
8.5
Very good
1,445 reviews

Entertainment

8.0

Boarding

8.4

Comfort

8.3

Food

8.1

Overall

8.5

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Mar 2026

TPE - SFO

Why when we’re about to board they suddenly announced the letters ABC to board first .. so what is the use us waiting at the door (with wheelchairs) ended up almost at the end to board and I can see people walking boarding first? Is this something new? You go by letters now?

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Chiang Mai. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Chiang Mai from Chicago O'Hare Intl?

    Chiang Mai (CNX), located 1.9 mi from the city center, is the airport you fly into when you book flights from Chicago O'Hare Intl to Chiang Mai. 3 airlines have flights to Chiang Mai from Chicago O'Hare Intl on a regular basis. Booking flights from Chicago O'Hare Intl to Chiang Mai should not be difficult; the airport handles an average of 0 inbound flights from Chicago O'Hare Intl per day.

  • How long is the flight from Chicago O'Hare Intl Airport to Chiang Mai?

    Airlines like Finnair, EVA Air, and Cathay Pacific fly from Chicago O'Hare Intl Airport to Chiang Mai in about 29h 45m. The time it takes to get you to your destination can typically vary by up to 20h. There are 8211 mi between Chicago O'Hare Intl Airport and Chiang Mai. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Chicago O'Hare Intl Airport to Chiang Mai round-trip?

    According to our current data, Cathay Pacific ($737), Delta ($849), and EVA Air ($919) offers the cheapest pricing from Chicago O'Hare Intl Airport to Chiang Mai. Cathay Pacific is 40% cheaper than the average price of flights available within the next 90 days to this destination.

  • Can I find deals for flights from O'Hare Intl to Chiang Mai that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Chiang Mai flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Chiang Mai?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Chiang Mai.

  • Can I find deals for business class flights from O'Hare Intl to Chiang Mai?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Chiang Mai by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Chicago O'Hare Intl Airport to Chiang Mai?

    Currently, March is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Chiang Mai (average of $920). Flying from Chicago O'Hare Intl Airport to Chiang Mai in June is currently the most expensive (average of $1,797). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for O'Hare Intl to Chiang Mai

See prices for flight routes from nearby airports that may be better suited for you.
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Top 3 airlines flying from O'Hare Intl to Chiang Mai

Discover the top 3 airlines that operate flights from O'Hare Intl to Chiang Mai. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 7, 2026.
AirlineCheapestAverageFlexibilityOn-time
Cathay PacificCheapest$737Average$1,594FlexibilityNo cancel feeOn-time72%
DeltaCheapest$849Average$1,317FlexibilityNo cancel feeOn-timeN/A
EVA AirCheapest$919Average$1,412FlexibilityNo cancel feeOn-time74%

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